Forces the printer to ignore low-ink warnings, allowing you to use refilled cartridges without nagging messages.
More powerful than the standard cleaning cycle—often reviving nozzles that standard software cannot.
Most Canon printers have a counter for ink absorbed in the maintenance cartridge. When it hits 100%, the printer stops. V4906 resets this counter to 0%.
Because the tool is exclusive, here is how to safely search:
The Canon Service Tool V4906 is a low-level diagnostic and reset utility developed by Canon Inc. for authorized service centers. Unlike the drivers or "My Printer" software available to the public, the V4906 edition operates directly with a printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory).
Think of it as the "master key" for Canon inkjet printers. It is specifically designed to bypass software locks that trigger error messages like: